1. Yu. R. Alanakyan, Surface waves in a plasma. Sov. Phys.-Tech. Phys. 12 (1967) 587?589.
2. A.G. Litvak and V.A. Mironov, Surface waves on the separation boundary between nonlinear media, ISV. Vysch. Uch. Zav.-Radiofisika 11 (1968) 1911?1912.
3. A.G. Boev, On the theory of nonlinear surface saves in a plasma. Sov. Phys. JETP 50 (1979) 47?51.
4. W.J. Tomlinson, Surface wave at a nonlinear interface. Opt. Lett. 5 (1980) 323?325.
5. V.M. Agranovich, V.S. Babichenko and V.Ya Chernyak, Nonlinear surface polaritons. Sov. Phys. JETP Lett. 32 (1981) 512?515.